Design of linked sirens for tsunami early warning system using telecontrol system(case study at PUSDALOPS PB BPBD of Cilegon city)

摘要

Cilegon is an industrial city located near and facing the Megathrust Sunda Strait Subduction Zone.Around the Sunda Strait is Mount Anak Krakatau which is the most active mountain in the world.So that,it has the potential for a tsunami to cause a catastrophic failure of technology along the coast of Cilegon.In this study,TEWS(Tsunami Early Warning System)is made in the form of sirens that are connected in parallel(linked sirens),can be controlled from the PUSDALOPS room of BPBD in Cilegon City.Communication system used by GSM and amateur radio.The test is carried out using a BPBD repeater with a radius of 146 km.The results of the study prove that the delay in the GSM communication system is 14.5 seconds,whereas the delay in the RF system is 6.4 seconds.